oryzomys palustris(n = noun.animal) rice rat - hardy agile rat of grassy marshes of Mexico and the southeastern United States;
is a kind of rat
is a member of genus oryzomys, oryzomys

agrostis palustris, calla palustris, caltha palustris, cistothorus palustris, dirca palustris, eleocharis palustris, genus oryzomys, hottonia palustris, lathyrus palustris, oryzomys, parnassia palustris, pinus palustris, quercus palustris, rana palustris, sorex palustris, stachys palustris, sylvilagus palustris, thelypteris palustris, thelypteris palustris pubescens, zannichellia palustris